diff --git a/CHANGELOG.md b/CHANGELOG.md
index 651ee67..01350f2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog #
 
+## Version 7.0.444
+
+Date: 2022-02-22
+
+- REVERT: Make `promise?` to check for IPromise protocol instead of concrete
+  types. Because the impl was wrong.
+
+
 ## Version 7.0.443
 
 Date: 2022-02-22
diff --git a/doc/user-guide.md b/doc/user-guide.md
index c00ef2a..b90c762 100644
--- a/doc/user-guide.md
+++ b/doc/user-guide.md
@@ -9,13 +9,13 @@ A promise library for Clojure and ClojureScript.
 Leiningen:
 
 ```clojure
-[funcool/promesa "7.0.443"]
+[funcool/promesa "7.0.444"]
 ```
 
 deps.edn:
 
 ```clojure
-funcool/promesa {:mvn/version "7.0.443"}
+funcool/promesa {:mvn/version "7.0.444"}
 ```
 
 On the JVM platform _promesa_ is built on top of *completable futures*
diff --git a/src/promesa/core.cljc b/src/promesa/core.cljc
index bae6da4..eda4646 100644
--- a/src/promesa/core.cljc
+++ b/src/promesa/core.cljc
@@ -92,7 +92,8 @@
 (defn promise?
   "Return true if `v` is a promise instance."
   [v]
-  (satisfies? pt/IPromise v))
+  #?(:clj (instance? CompletionStage v)
+     :cljs (instance? impl/*default-promise* v)))
 
 (defn deferred?
   "Return true if `v` is a promise instance (alias to `promise?`."